/// <reference path="headers.ts" />

/// <reference path="io.ts" />

module pe.unmanaged {

  export class DllExport {

    name: string;

    ordinal: number;

    // The address of the exported symbol when loaded into memory, relative to the image base.

    // For example, the address of an exported function.

    exportRva: number;

    // Null-terminated ASCII string in the export section.

    // This string gives the DLL name and the name of the export (for example, "MYDLL.expfunc")

    // or the DLL name and the ordinal number of the export (for example, "MYDLL.#27").

    forwarder: string;

    static readExports(reader: io.BufferReader, range: io.AddressRange): DllExports {

      var result: DllExports = <any>[];

      result.flags = reader.readInt();

      if (!result.timestamp)

        result.timestamp = new Date(0);

      result.timestamp.setTime(reader.readInt() * 1000);

      var majorVersion = reader.readShort();

      var minorVersion = reader.readShort();

      result.version = majorVersion + "." + minorVersion;

      // need to read string from that RVA later

      var nameRva = reader.readInt();

      result.ordinalBase = reader.readInt();

      // The number of entries in the export address table.

      var addressTableEntries = reader.readInt();

      // The number of entries in the name pointer table. This is also the number of entries in the ordinal table.

      var numberOfNamePointers = reader.readInt();

      // The address of the export address table, relative to the image base.

      var exportAddressTableRva = reader.readInt();

      // The address of the export name pointer table, relative to the image base.

      // The table size is given by the Number of Name Pointers field.

      var namePointerRva = reader.readInt();

      // The address of the ordinal table, relative to the image base.

      var ordinalTableRva = reader.readInt();

      if (nameRva == 0) {

        result.dllName = null;

      }

      else {

        var saveOffset = reader.offset;

        reader.setVirtualOffset(nameRva);

        result.dllName = reader.readAsciiZ();

        reader.offset = saveOffset;

      }